Toyota Sienna Service Manual: Terminals of ECU
1. TELEVISION DISPLAY ASSEMBLY
*1: with Navigation System
- A Remote Control System does not Operate
- Sound Signal Circuit between Video Terminal and Television Display
- Display Signal Circuit between Video Terminal and Television Display
- Television Display Power Source Circuit
Problem symptoms table
HINT:
Inspect the "Fuse" and "Relay" before confirming the
suspected area as shown in the table below.
DISPLAY FUNCTION:
SOUND FUNCTION:
REMOTE CONTROL FUNCTION:
...
A Remote Control System does not Operate
INSPECTION PROCEDURE
1 CHECK SYSTEM
Check that the remote control operation of the rear
system is not locked by the radio receiver or the radio
and navigation assembly.
Check ...
Other materials:
Input instructions
(a) The general VIN input instructions using the
intelligent tester are shown below:
(b) The arrow buttons (UP, DOWN, RIGHT and LEFT)
and numerical buttons (0 to 9) are used to input the
VIN.
(c) Cursor Operation
To move the cursor around the tester screen, press
the RIGHT and LEFT buttons. ...
Route cannot be Calculated
INSPECTION PROCEDURE
1 CHECK MAP DISC
Check that the map disc is not deformed or cracked.
OK:
No deformations or cracks on map disc.
2 SET DESTINATION
Set another destination and check if the system can
calculate the route correctly.
OK:
Route can be correctly calculated.
NO ...
Unlock warning switch
INSPECTION
1. INSPECT UNLOCK WARNING SWITCH ASSEMBLY
Remove the unlock warning switch assembly .
Measure the resistance according to the value(s) in
the table below.
Standard resistance
...
